VaRTM 공법에 의한 토목용 하이브리드 섬유강화 복합재료의 제조 및 물성에 관한 연구

박현호; 최현석; 이정희; 최혜원; 권영태; 강한나; 이양헌; 강영아

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자료유형: 학술저널

저자정보: 박현호 (동아대학교 유기재료고분자공학과) 최현석 (DYETEC 연구원) 이정희 (한국신발피혁연구원) 최혜원 (동아대학교 유기재료고분자공학과) 권영태 ([주]대림텍스) 강한나 ([주]대림텍스) 이양헌 (동아대학교 유기재료고분자공학과) 강영아 (동아대학교 유기재료고분자공학과)

저널정보: 한국섬유공학회 한국섬유공학회지 한국섬유공학회지 제54권 제3호

발행연도: 2017.1

수록면: 157 - 163 (7page)

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연구배경

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연구방법

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연구결과

초록· 키워드

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A three-dimensional spacer knitted fabric (3D fabric) consisting of ultra-high molecular weight polyethylene (UHMWPE) fibers and polyethylene terephthalate (PET) monofilaments (used for ground surfaces and pile yarn) with a ratio of 80% and 20% by volume, respectively, was produced in a Raschel machine with two needle bars. A 3D fiber-reinforced plastic (3D FRP), with cylindrical holes of 20 mm and 28 mm diameter was produced by the vacuum-assisted resin transfer molding (VaRTM) method, with a 3D fabric as a reinforcement and an unsaturated polyester resin as a matrix. Milled carbon fiber particles (CP), with a diameter of $100{\mu}m$, were added into the resin as sub-reinforcement. The mechanical properties of the obtained FRPs were investigated. The apparent space fraction of the prepared 3D FRP was estimated to be approximately 47.1% (which should be a light-weight structure) and the reinforcement-to-matrix weight ratio can reach approximately 60% or more. With regard to the tensile properties of the 3D FRP, tensile strength is higher in the wale of the fabric, while elongation is higher in the course. For 3D-CP/FRP produced with 0, 5, and 10 wt% in CP content, increasing the CP content in 3D FRP makes its decomposition temperature higher and increases its storage modulus to 10 times above the higher temperature range compared to glass transition. Flexural properties and abrasion resistance are improved as the CP content in FRPs increases.

#fiber-reinforced plastics #3-dimensional spacer knitted fabric #vacuum-assisted resin transfer molding #mechanical properties

참고문헌 (11)

참고문헌 신청

B. K. Han / 2006 / A Study on the Application Case in Civil Structure of Fiber Reinforced Composite (Bridges) / Compos. Res 19:25~41

G. H. Hong / 2006 / High Performance Fiber Reinforced Cement Composite in Construction Field / Compos. Res 19:43~48

이영근 / 2010 / 볼트로 겹침이음된 펄트루젼 복합재 접합부의 구조적 거동 / Composites Research 23(1):37~43

C. Chen / 2011 / Hybrid Fibre Reinforced Epoxy Composites for Pultrusion: Mechanical and Thermal Properties / Polym. Polym. Compos 19:459~467

W. K. Hong / 2004 / Behavior of Concrete Columns Confined by Carbon Composite Tubes / Canadian J. Civil Eng 31:178~188

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